#include"mystdio.h"
#include<string.h>
#include<stdio.h>
#include<unistd.h>

#define FILENAME "log.txt"


int main()
{
  myFILE *fp = my_fopen(FILENAME, "w");
  if(fp == NULL) return 1;
  
  const char *str = "hello linux";

  int cnt = 10;

  char buffer[128];
  while(cnt)
  {
    sprintf(buffer, "%s - %d", str, cnt);
    my_fwrite(fp, buffer, strlen(buffer));
    cnt--;

    sleep(1);
    my_fflush(fp);
  } 

  my_fclose(fp);
  return 0;
}
